How to celebrate Mom’s 25th anniversary of breast cancer survival?

The day of her surgery back in 1982 also happened to be her birthday! I would like to do something special for her, but since this is such an unusual occasion, I would appreciate some advice on how we could "celebrate" it! Thank you for your input.
To clarify my question, "celebrate" is defined in terms of a "party", if you will. Donations are nice, but do not answer my question. Sorry if that wasn’t clear.